Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
Breaking News
Tersus Announces BX316D to Extend GNSS OEM Board Offering
Tersus GNSS Inc. (“Tersus”) announces BX316D to extend its...
NASA Launches NOAA Weather Satellite Aboard United Launch Alliance Rocket to Improve Forecasts
NASA has successfully launched for the National Oceanic and...
Geotech Joins Forces with Microdrones to Bring Drones to Surveyors and Construction Pros in Greece
Athens, Greece - Microdrones is pleased to announce that...
SpaceKnow Hires Jeremy Fand as VP of Product
SAN FRANCISCO - SpaceKnow, a leading provider of geospatial analytics,...
OnTerra Systems Introduces New Version of MapSavvy Web Map Service
DENVER - OnTerra Systems today introduced a new version...

A dust plume from the Sahara Desert streams out over the northeast Atlantic Ocean. Researchers are using satellite imagery to better predict how tiny aerosol particles may influence the global climate. (Credit: NASA Visible Earth)

Earth’s atmosphere is dusted with tiny particles known as aerosols, which include windblown ash, sea salt, pollution, and other natural and human-produced materials. Aerosols can absorb or scatter sunlight, affecting how much light reflects back into space or stays trapped in the atmosphere.

Despite aerosols’ known impact on Earth’s temperature, major uncertainties plague current estimates of their overall effects, which in turn limit the certainty of climate-change models. To reduce this uncertainty, scientists combined new satellite data, providing, for the first time, data on aerosols’ ability to absorb or reflect light globally.

In this new study, the team focused on the direct effects of aerosols on shortwave radiation in 2006. These effects depended on the particles’ vertical location with respect to clouds, the reflective properties of the underlying land or water, and the optical properties of the aerosol particles themselves, including how much light they’re prone to scatter or absorb.

Click here to read more.

 

Comments are closed.